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Videoscopic imaging principle _ how to choose the industrial videoscope

November 6,2019.

How to choose the industrial videoscope

I. Videoscopic imaging principle

The videoscope is a high-tech detection product that integrates electronics, optics, machinery and other technologies. It can be generally divided into fiber optic videoscopes, hard rod mirrors, and electronic video borescopes. At present, the most widely used industrial videoscope field is an electronic video borescope. The front-end pipeline penetrates into the inside of the component, and provides illumination conditions through the front LED or the rear fiber-optic light guiding system, and performs real-time observation, photographing, and video recording on the inside of the device or component that cannot be directly observed by the human eye.In general, the imaging of an electronic video borescope is similar to the principle of a camera: a light signal reflected from the surface of the object to be measured is transmitted through a lens to an image sensor (CCD or CMOS), thereby converting the optical signal into an electrical signal, and passing through The image data that is finally converted into a digital signal is subjected to post-processing such as color correction and white balance processing, and is encoded into a data format such as an image format and a resolution supported by the camera, and is stored as an image file.

II. How to select industrial videoscope

Users can directly see the areas that cannot be seen by human eyes through industrial videoscope. As people pay more and more attention to product quality, the detection of defects in industrial parts becomes a very important topic.So how do you choose an industrial videoscope? First of all, you need to understand the basic working environment, is it in a high temperature environment? Are there any oil or liquid?The other is to see the specific use, such as the frequency of use (considering lens wear), the minimum diameter of the inspection port (determining the diameter of the probe), the minimum bending radius (considering the steering of the probe, turning), the depth of detection (determining the length of the pipeline) )and many more. Then there is the price issue, which can be evaluated according to the company's corresponding budget. Then it is to confirm the manufacturer's qualifications, certification, quality assurance, after-sales, word of mouth and other related issues, whether to provide prototypes, etc., comprehensive decision-making.

III. Use of videoscope

Industrial videoscopes are used in a wide range of applications, from the production, manufacture, installation and later maintenance of industrial equipment and components.Such as casting internal surface defects detection, pipe or boiler welding, corrosion, rust, excess detection, parts of internal processing defects inspection, equipment internal structure and operating status detection, aircraft, automobile, ship and other vehicles such as scheduled maintenance.Industrial videoscope is a kind of device that can enter into the engine and other parts through observation hole for inspection without disassembling the equipment and parts, and record the corresponding data effectively, which can effectively improve the detection efficiency and is relatively accurate.

IV. Videoscope use precautions

It is important to read the instruction manual before use and operate and store it strictly according to the requirements.As a kind of precise optical instrument, the lens of industrial videoscope is easy to be damaged.Avoid excessive bending of the pipeline, so as not to cause damage to the internal optical fiber.Before and after use, it is better to use a special dust-free cloth dipped in a small amount of alcohol to wipe, to ensure the cleaning of the lens and pipeline.

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